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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 999

—You were out when I dropped in at your house.
—Oh,I    for a friend from England at the airport.

A.was waiting B.had waited
C.am waiting D.have waited
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—YouwereoutwhenIdroppedinatyou